第五届有机化学国际研讨会（COC 2019) 将于2019年7月19-21日在中国桂林召开。本次大会旨在为业内专家学者分享技术进步和业务经验，聚焦有机化学的前沿研究，提供一个交流的平台。

该会议征文涉及领域包括（但不限于）：

Applied Organic Chemistry / Organic Chemical Engineering
Bioorganic and Medicinal Chemistry
Classification of Organic Compounds
Interaction of Organic Materials with Living Matter for Implantable Biodevices
Interfaces in Organic Electronics
Macromolecular Chemistry
Metal, Organic and Enzyme Catalysis
Natural Products and Heterocyclic Chemistry 
Novel Organic Materials (Design, Synthesis, Characterization)
Organic Chemical Spectroscopic Analysis
Organic Geochemistry
Organic Materials for Clean Energy Production and Storage
Organic Photochemistry
Organic Reactions
Organic Sensors, towards Biomedics
Organic Surfaces and Their Properties
Organic Synthesis / Asymmetric Synthesis / Drug Synthesis
Organometallic Chemistry
Physical Organic Chemistry
Properties of Organic Compounds
Requirements and Applications of Organic Electronics
Solid-state Organic Chemistry
Spintronics in Organic Materials and Nanostructures
Structure and Mechanism
Theoretical Organic Chemistry
Other related issues